Nuclear pseudogenes of mitochondrial DNA as a variable part of the human genome

被引:16
作者
Yuan, JD
Shi, JX
Meng, GX
An, LG
Hu, GX
机构
[1] Chinese Acad Sci, Shanghai Inst Cell Biol, Shanghai 200031, Peoples R China
[2] Chinese Acad Sci, Shanghai Life Sci Ctr, Shanghai 200031, Peoples R China
[3] Shandong Normal Univ, Dept Biol, Jinan 250014, Peoples R China
关键词
gene amplification; genome instability; mitochondrial; pseudogene;
D O I
10.1038/sj.cr.7290027
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Novel pseudogenes homologous to the mitochondrial (mt) 16S rRNA gene were detected via different approaches. Eight pseudogenes were sequenced. Copy number polymorphism of the mtDNA pseudogenes was observed among randomly chosen individuals, and even among siblings. A mtDNA pseudogene in the Y-chromosome was observed in a YAC clone carrying only repetitive sequence tag site (STS). PCR screening of human yeast artificial chromosome (YAC) libraries showed that there were at least 5.7 x 10(5) bp of the mtDNA pseudogenes in each haploid nuclear genome. Possible involvement of the mtDNA pseudogenes in the variable part of the human nuclear genome is discussed.
引用
收藏
页码:281 / 290
页数:10
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